package com.ruoyi.web.controller.system;

import java.util.List;
import java.util.Set;
import java.util.UUID;

import com.ruoyi.common.enums.UserRoleType;
import com.ruoyi.system.service.ISysRoleService;
import com.ruoyi.system.service.ISysUserService;
import org.apache.commons.lang3.RandomUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.domain.entity.SysMenu;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.LoginBody;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.framework.web.service.SysLoginService;
import com.ruoyi.framework.web.service.SysPermissionService;
import com.ruoyi.system.service.ISysMenuService;

/**
 * 登录验证
 *
 * @author ruoyi
 */
@RestController
public class SysLoginController {
    @Autowired
    private SysLoginService loginService;

    @Autowired
    private ISysMenuService menuService;

    @Autowired
    private SysPermissionService permissionService;

    @Autowired
    private ISysUserService userService;

    @Autowired
    private ISysRoleService roleService;

    /**
     * 登录方法
     *
     * @param loginBody 登录信息
     * @return 结果
     */
    @PostMapping("/login")
    public AjaxResult login(@RequestBody LoginBody loginBody) {
        AjaxResult ajax = AjaxResult.success();
        // 生成令牌
        String token = loginService.login(loginBody.getUsername(), loginBody.getPassword(), loginBody.getCode(),
                loginBody.getUuid());
        ajax.put(Constants.TOKEN, token);
        return ajax;
    }

    @PostMapping("/login/guest")
    @Deprecated
    public AjaxResult loginAsGuest() {

        // 注册一个游客账号
        SysUser user = new SysUser();
        user.setUserName("guest"+ UUID.randomUUID().toString().substring(0,10));
        String password = UUID.randomUUID().toString().substring(0,10);
        user.setPassword(SecurityUtils.encryptPassword(password));
        user.setNickName("游客"+ RandomUtils.nextInt(1000,9999));
        long userId = userService.insertUserBackId(user);
        // 注册游客权限
        roleService.insertAuthUsers(UserRoleType.GUEST.getValue(),new Long[]{userId});
        LoginBody loginBody = new LoginBody();
        loginBody.setUsername(user.getUserName());
        loginBody.setPassword(password);
        loginBody.setCode("");
        loginBody.setUuid(UUID.randomUUID().toString());
        // 生成令牌
        String token = loginService.login(loginBody.getUsername(), loginBody.getPassword(), loginBody.getCode(),
                loginBody.getUuid());
        // 处理JSON数据，将游客username和password返回给前端
        AjaxResult ajax = AjaxResult.success();
        ajax.put("username", user.getUserName());
        ajax.put("password", password);
        ajax.put(Constants.TOKEN, token);
        return ajax;
    }

    /**
     * 获取用户信息
     *
     * @return 用户信息
     */
    @GetMapping("getInfo")
    public AjaxResult getInfo() {
        SysUser user = SecurityUtils.getLoginUser().getUser();
        // 角色集合
        Set<String> roles = permissionService.getRolePermission(user);
        // 权限集合
        Set<String> permissions = permissionService.getMenuPermission(user);
        AjaxResult ajax = AjaxResult.success();
        ajax.put("user", user);
        ajax.put("roles", roles);
        ajax.put("permissions", permissions);
        return ajax;
    }

    /**
     * 获取路由信息
     *
     * @return 路由信息
     */
    @GetMapping("getRouters")
    public AjaxResult getRouters() {
        Long userId = SecurityUtils.getUserId();
        List<SysMenu> menus = menuService.selectMenuTreeByUserId(userId);
        return AjaxResult.success(menuService.buildMenus(menus));
    }
}
